Ray diagram for an object placed between 2F and F from a convex lens In a film or data projector, this image is formed on a screen. Film must be loaded into the projector upside down so the ...

Cylindrical lenses are either Plano-convex or Plano-concave in form and rectangular in shape. These lenses are used in applications requiring magnification only, such as in transforming a point image ...

A positive plano cylindrical lens is able to create a line image from a point of light, to change the aspect ratio of an image or to focus collimated input light to a line. Plano- convex cylindrical ...